INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '243a8c511b2072a4261ff7da4cd737e4085aa73ea3baa3bb416690aea536af33', 
    'jT1DC0XMFEUlTcyCjfEfrV9KN49BICmIRjh9udXDCBo=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)